1. ACTUATING DEVICE FOR COMBINED GUIDANCE OF WHEEL AND AXLE ORIENTATION OR A RAILROAD VEHICLE ON A RAILROAD TRACK COMPRISING BUMPER MEANS ON AT LEAST ONE END OF A VEHICLE, SAID BUMPER MEANS SLIDING AXIALLY AND IN PARALLEL ORIENTATION TO THE LONGITUDINAL AXIS OF THE VEHICLE, ROD MEANS CONNECTED TO SAID BUMPER MEANS, LEVER MEANS CONNECTED TO SAID ROD MEANS AND INCLUDING AN ARM INTEGRAL THEREWITH, SAID LEVER MEANS BEING PIVOTALLY CONNECTED TO SAID VEHICLE, ORIENTING MEANS CONNECTED BETWEEN SAID ARM ON THE LEVER MEANS AND SAID VEHICLE ENGAGING AN AXLE TO ORIENT SAID AXLE AND WHEEL IN ACCORDANCE WITH THE ALIGNMENT OF THE TRACK, AND MOVING MEANS OPERATIVELY INCLUDED WITH SAID FIRST ROD MEANS TO CAUSE SAID LEVER MEANS AND ORIENTING MEANS TO MOVE SAID AXLE IN ACCORDANCE WITH THE CURVATURE OF THE TRACK AND TO COMPENSATE FOR THE MOVEMENT OF SAID BUMPER MEANS DURING COUPLING OF THE VEHICLE.